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WorksheetsChapter 5 matter in motion
Total questions: 28
Worksheet time: 14mins
Name
Class
Date
1.
An object that appears to stay in place and helps detect motion is...
a)
lubricant
b)
black hole
c)
refrence point
d)
newton
2.
An object accelerates when what component(s) change?
a)
speed
b)
direction
c)
speed and direction
d)
all of the above
3.
total distance/total time is the formula for
a)
speed
b)
velocity
c)
acceleration
d)
net force
4.
if you travel 300 miles in 5 hours what is your speed
a)
1500 mph
b)
1500 m/s
c)
60 mph
d)
60 m/s
5.
what is the difference between and velocity
a)
speed has direction and velocity does not
b)
velocity has direction, while speed does not
c)
velocity involves time, while speed does not
d)
speed involves time and velocity does not
6.
why does friction occur
a)
unbalanced forces
b)
the roughness of any objects surface
c)
only the masses of any two objects
d)
only the weights of any two objects.
7.
In the law of universal gravitation, gravitational force is related to...
a)
mass and friction
b)
mass and distance
c)
weight and distance
d)
weight and friction
8.
An example of helpful friction is...
a)
tires moving a car forward
b)
holes developing in your socks
c)
car engine parts wearing out
d)
the erosion of soil by the wind
9.
Force is...
a)
Attraction between objects.
b)
A push or pull on an object.
c)
Always acting to oppose motion.
d)
Speed of an object in a particular direction.
10.
Speed of an object in a particular direction.
a)
Starting velocity, final velocity, and time it takes to change velocity.
b)
Starting velocity, distance traveled, and speed.
c)
Starting point, endpoint, and the object’s mass.
d)
Average speed, distance, and the time it takes to change velocity.
11.
What is mass?
a)
Different on the moon than on Earth.
b)
Measured in newtons.
c)
A measure of gravitational force.
d)
A measure of the amount of matter.
12.
Mr. Henderson ran 30 meters three times. His average speed was 15 m/s, 20 m/s, and 10 m/s.What was his overall average speed?
a)
15 m/s
b)
45 m/s
c)
135 m/s
d)
1.5 m/s
13.
Mr. Henderson’s overall speed was 15 m/s. He wants to increase his speed by 20%. What wouldhis new overall average speed be?
a)
70 m/s
b)
30 m/s
c)
3 m/s
d)
18 m/s
14.
A biker is NOT accelerating if he is...
a)
Going straight while speeding up.
b)
Going straight while slowing down.
c)
Making circles at constant speed.
d)
Going straight at a constant speed.
15.
A biker’s velocity begins at 2.7 m/s uphill and changes to 2.3 m/s uphill. How do you know thatthe biker has negative acceleration?
a)
The speed decreased.
b)
the direction was unchanged
c)
the direction changed
d)
the speed increased
16.
Friction is...
a)
A force that always act to oppose motion.
b)
A measure of gravity.
c)
The force of attraction between objects.
d)
Dependent on weight and gravity.
17.
Why does an object change direction or speed?
a)
Balanced forces
b)
Unbalanced forces
c)
Law of universal gravity
d)
Net force
18.
The force of attraction between objects that is due to their masses is...
a)
mass
b)
weight
c)
gravity
d)
friction
19.
What is the net force on an object when you combine a force of 25 N east with a force of 5 N west?
a)
20 N west
b)
125 N east
c)
30 N west
d)
20 N east
20.
If an astronaut has a weight of 600 N on Earth, what is the astronaut’s weight on the moon?(Moon’s gravity = 1/6 of Earth’s gravity)
a)
3,600 N
b)
3,600 kg
c)
100 N
d)
100 kg
21.
What causes an object to start or stop moving?
a)
balanced forces
b)
unbalanced forces
c)
law of universal gravity
d)
mass
22.
The graph shows distance traveled during a race. Because the upward slope is straight andobjects don’t normally travel at a constant rate, what does it MOST likely represent?
a)
actual acceleration
b)
average acceleration
c)
actual speed
d)
average speed
23.
Mass is...
a)
A measure that does not change when an object’s location changes.
b)
The amount of matter in an object.
c)
Measured in grams or kilograms.
d)
All of the above
24.
Moving a heavy piece of furniture is easier if you put it on wheels because of...
a)
rolling kenetic friction
b)
static friction
c)
sliding kinetic friction
d)
gravitaional friction
25.
The gravitational pull is greater between two objects that...
a)
are farther apart
b)
have greater masses
c)
are moving at greater speed
d)
have rougher surfaces
26.
A force that will produce a change in motion must be
a)
balanced
b)
gravitational
c)
unbalanced
d)
frictional
27.
Which statement about weight is false?
a)
weight is the measure of gravitational force exerted on an object
b)
weight is measured in newtons.
c)
weight is always constant.
d)
weight is measure with a scale.
28.
Velocity is...
a)
The speed of an object.
b)
The speed of an object in a particular direction.
c)
Speeding up or slowing down.
d)
Measured in m/s2
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